{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "774209",
    "entityType": "User",
    "nonce": "0x78f09232d0d3a294d742abad7861a68946bb858af6f29712b304fcadaf5427bb",
    "signature": "0x83868dcc67dd731789d88097a08a0710563807edd666e2c81ec208db1aabd06964daa0ec66b9f1abd580ac020748f4f2e67a7134ec5bae20bb8f108e1b45f8561b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}