{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131834",
    "entityType": "User",
    "nonce": "0x2822f1952b440c90d674ce3d0a1ca634449125c3e04f833f6da97c4c1ff6be0b",
    "signature": "0x8a0e500c0f52c8f674fa4e27c001003894537f69fce208cd39485321595e7d8d21ccfc2c3d20cb84b2ad0264fb16c8075718550159daf522fd4d40cf9e6055321b",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}