{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395",
    "entityType": "User",
    "nonce": "0xff94e540d6324e8fd8a06b6647716e124c18de1b1f860f97a42804582a22f18f",
    "signature": "0xb0d262e38270c0efdfb65a7980789e46da61ef73cc025a90c489fe42e193bf162b3f1135b1a1d21f2d26007f77782f9ee911d0d62f0046215f3f8678c4eff7981b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}