{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x0bc98ffc2598c864c99ba7bb652c775219cc6840ecf3d231c838c67dafb6c1a8",
    "signature": "0x4c9e5c98db3b7018d197c620e42c7edc8927cb3170c2fef39cc7318241650c415ef8ce99cb2a34492e95ce6ec6f115811677c31ce092286213ec248b2084cca41c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}