{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "692719",
    "entityType": "User",
    "nonce": "0x9a11a1b70970ec8fa20067fb85edb8efb702b00bf76eefce6f447163a6c26368",
    "signature": "0x37d4404e23f0be30c02e08550e5f516a8b35b39f627efb1c1523edc060d96d504e4c0e8d654c2df8cb5e54d310aea3f11ca4d2ac12bba4eb269dda1c6f4b92c51c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}