{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xa535796030fd5d3f127982aa43d3afef93b8c80c25587648055389642e6b61fe",
    "signature": "0x6d17ae6f8397e98b5811c4d075652a5a61559725d6ff861572b6b71e9c2591c42a8a2c0bbe16e594f6f4abba76fc4598e117a5b85c2c292439357293ffcbd0ab1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}