{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61283",
    "entityType": "User",
    "nonce": "0x34a2fcf3fae6a436407af7ac8bac8586b9df19dd6919c71adbb3dde51771e962",
    "signature": "0xa65adc23511472e0f0eaf1118284b3ac58a3e444873a24034d8ddd2bfe1e1891209ceea5a5679b5750739771477077e123023f3eb7dc5b91ea33c74985a9a4111b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}