{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "766293353",
    "entityType": "User",
    "nonce": "0x954313805befaf9272c23341012491f24c188ebcdf8358af0df1824a3484ca60",
    "signature": "0xc0dfcb8fd6facf1b7ea5a12920ca34a19ff7a2052235629013e398bf0255a1a34ee2fa7a373eae75db6f429e6ebde1fdae026db7e551f01e01cabeebb8dfad221c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}