{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xad3d504f00d595649c07f5d64801cb9eb7318ad86b959b2a31e38c739382a0d8",
    "signature": "0x1d5f1bd57eaad22510c52f70203d3162e516e05ad2bc8c814053fbb7338029c978d8b847590890e9de97830fa1a175d7a88831d8421971165465bbc9aaa496f31c",
    "signer": "0x73760064D08e854716c13081dE151D63b16b2Fb0",
    "userId": "646161559"
  }
}