{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf91974a94c3103db6f8a8b3282ef93b3b70e51801d7b069cec6dabe5bbf055c9",
    "signature": "0xc8c2120a22eb230578868cb22b08d85d6c788226e1567a07dcb91de77575b2170a77742c03512798063ec7cf7b11c293eb319e5556861e68b0adac2e62e242741b",
    "signer": "0x806482696b42B456f7D9D388A6C2E6D2B35bFb20",
    "userId": "826935829"
  }
}