{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322149",
    "entityType": "User",
    "nonce": "0xd980724477fb2879c1d6c018854b1e2c3fcb3a0f8a9f9866a2a4f8f3e04e2d80",
    "signature": "0x72c891f23b8743e0eedcc635f7abfa7387c0571251d40b531600289c2fc8bf152f435a54d4c68376adcd9c32a6441f436aae6fda23e01ec0b4faee34d73c5b781b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}