{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261090887",
    "entityType": "User",
    "nonce": "0xf41cfa15f360a6f571d7b6f1f211474aec4210d9914ed9b856d090c58a3f934e",
    "signature": "0xf914e2b9fbd5abe42923c5041dc2fc948bdc8e7554c7186f0ba3a7542e3f80b71ddb6b0eb18199242d85eeb9fe08eacffd1e95bc55930cba221bc0750f436e0c1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}