{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7431",
    "entityType": "User",
    "nonce": "0x5befd56d4a6d34025d85a3b0dc5b792c89a2032110c6152fdbe707643e9ecb3f",
    "signature": "0x34479b423d8cd993851c6fc6c966801d62da63ee72a1e03ed30540e2fa2be6907169036611714d0f92029c45aa8775dc2412870c8603a70aa99f5e861b3eaf931c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}