{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36617",
    "entityType": "User",
    "nonce": "0xc6a911aa28f39f465ece9961ec6611e28fa3de946a39efc874e583ca369a5e8c",
    "signature": "0x42575831633fe1422f5627fec957b7dd2fce5988401db125992fae556d3d18b1455d28798650cf540bc56da75ec6df60d94cb3f348abf990a1a6d5556e8f40c11b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}