{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45081176",
    "entityType": "User",
    "nonce": "0xf53a0a6b1d8b47d653bf0ab52b15abe5d457096528e296c59745401a94038292",
    "signature": "0xf919b04aa8e48853bbd549bb7fa3d6cfc39305ff9fc6495e550ebcb8e0f663b530b25533d5b235d93375a99491ffb28706142f157d87f08048578ce85502a7ac1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}