{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29292",
    "entityType": "User",
    "nonce": "0xfac2ab77b2b92924ec7b0656ad97be2e5d0223416df64be57d5ae78dcff66348",
    "signature": "0xc765dbcc16b240cd73403b954c46175282afefe4912e132f0f24ac87b3fac75e52fcf7601c2fe66f24934a189ec171818fdc57c89cbf2df7d97b84c82a0a0f821c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}