{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226046",
    "entityType": "User",
    "nonce": "0xca6ef96331e044176321feddfdc82ab40ae8bb6bee1ab0dce34e29248d11bcda",
    "signature": "0xf256a9c1cdeb97c0951335a6a76eaa7e3af9ef4442b9e47c16861b094b927d2970a8b9f0b04349a4ff110e9cf3418c67e7288e5888d576fef5b63bbb8933ef6b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}