{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "562",
    "entityType": "User",
    "nonce": "0xd795bedea34866ca2b7a6bbe5c1b7dcd38b03d91a7d580ca31bc5dd2f73c76c9",
    "signature": "0x3aec175745db1841656f40e66d1d0e4508621f609c61621b4fddc359d2121aa07b1f3a103f68c2a72723510fc90f35aad096839c2660f53d7a1525f067f1d4a71c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}