{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154377962",
    "entityType": "User",
    "nonce": "0xb2042df517eca51584f6b11c36db6b9dab55cbefc5cda4873764221f29bbb5ed",
    "signature": "0x533a9d1e8df0bf51623d1655c4eb81ce4d5aa2b467a43833bca38e24a2ac4711675442f4aa04d6583d84ffdb777715de2eda714e3d2007ecc440f26da2c895031b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}